Home / 157,527.45-217,400.79-89,565.75

Finding the Fourth Proportional to 157,527.45, 217,400.79 and 89,565.75

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Solution

The fourth proportional to 157,527.45, 217,400.79 and 89,565.75 is: 123,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527.45 : 217,400.79 = 89,565.75 : x
  2. Step 2: Convert to fraction form
    157,527.45/217,400.79 = 89,565.75/x
  3. Step 3: Cross multiply
    157,527.45x = 217,400.79 × 89,565.75
  4. Step 4: Simplify right side
    157,527.45x = 19,471,664,806.94
  5. Step 5: Solve for x
    x = 19,471,664,806.94/157,527.45
  6. Step 6: Final answer
    x = 123,608.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.